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Cheap flights from Phnom Penh to Sydney from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phnom Penh to Sydney departing on 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Phnom Penh to Sydney

Cheap return flights

 Logo
07:05 - 07:20PNH-SYD
21h 15m1 stop
 Logo
21:15 - 08:45SYD-PNH
14h 30m1 stop
Thu, 7 Aug - Thu, 14 Aug
 Logo
07:05 - 07:20PNH-SYD
21h 15m1 stop
 Logo
21:15 - 11:50SYD-PNH
17h 35m1 stop
Thu, 7 Aug - Thu, 14 Aug
China Southern Logo
11:55 - 20:20PNH-SYD
28h 25m1 stop
China Southern Logo
22:00 - 23:30SYD-PNH
29h 30m1 stop
$720China Southern
Find Deal
Sat, 1 Nov - Sat, 8 Nov
XiamenAir Logo
18:10 - 10:25PNH-SYD
36h 15m1 stop
XiamenAir Logo
12:30 - 17:05SYD-PNH
32h 35m1 stop
$744XiamenAir
Find Deal
Mon, 27 Oct - Sat, 1 Nov
XiamenAir Logo
18:00 - 09:20PNH-SYD
36h 20m1 stop
XiamenAir Logo
11:25 - 11:20SYD-PNH
26h 55m1 stop
$871XiamenAir
Find Deal
Wed, 27 Aug - Tue, 2 Sep
Cathay Pacific Logo
11:25 - 06:10PNH-SYD
15h 45m1 stop
Cathay Pacific Logo
21:50 - 10:15SYD-PNH
15h 25m1 stop
$1,194Cathay Pacific
Find Deal
Tue, 26 Aug - Wed, 17 Sep
Vietnam Airlines Logo
17:30 - 13:15PNH-SYD
15h 45m2 stops
Vietnam Airlines Logo
11:50 - 16:40SYD-PNH
32h 50m1 stop
$1,237Vietnam Airlines
Find Deal
Tue, 28 Oct - Sat, 1 Nov
Cathay Pacific Logo
18:30 - 21:25PNH-SYD
23h 55m2 stops
Cathay Pacific Logo
21:50 - 17:20SYD-PNH
22h 30m1 stop
$1,251Cathay Pacific
Find Deal
Wed, 27 Aug - Tue, 2 Sep
Vietnam Airlines Logo
17:30 - 13:15PNH-SYD
15h 45m2 stops
Vietnam Airlines Logo
15:15 - 13:00SYD-PNH
25h 45m2 stops
$1,287Vietnam Airlines
Find Deal
Tue, 28 Oct - Sat, 1 Nov
China Southern Logo
08:00 - 19:40PNH-SYD
32h 40m1 stop
China Southern Logo
06:25 - 10:40SYD-PNH
31h 15m2 stops
$5,085China Southern
Find Deal
Wed, 27 Aug - Tue, 2 Sep

XiamenAir flights from Phnom Penh to Sydney

Our best XiamenAir deals on Phnom Penh to Sydney flight tickets
XiamenAir
27 Oct
PNH18:10Phnom Penh Pochentong
36h 15m
1 stop
SYD10:25Sydney Kingsford Smith
1 Nov
SYD12:30Sydney Kingsford Smith
32h 35m
1 stop
PNH17:05Phnom Penh Pochentong
XiamenAir
27 Aug
PNH18:00Phnom Penh Pochentong
36h 20m
1 stop
SYD09:20Sydney Kingsford Smith
2 Sept
SYD11:25Sydney Kingsford Smith
26h 55m
1 stop
PNH11:20Phnom Penh Pochentong
XiamenAir
27 Aug
PNH18:00Phnom Penh Pochentong
36h 20m
1 stop
SYD09:20Sydney Kingsford Smith
2 Sept
SYD11:25Sydney Kingsford Smith
32h 35m
1 stop
PNH17:00Phnom Penh Pochentong

Philippine Airlines flights from Phnom Penh to Sydney

Our best Philippine Airlines deals on Phnom Penh to Sydney flight tickets
Philippine Airlines
8 Aug
PNH01:15Phnom Penh Pochentong
27h 45m
1 stop
SYD08:00Sydney Kingsford Smith
16 Aug
SYD10:10Sydney Kingsford Smith
17h 05m
1 stop
PNH00:15Phnom Penh Pochentong
Philippine Airlines
23 Oct
PNH01:15Phnom Penh Pochentong
27h 45m
1 stop
SYD09:00Sydney Kingsford Smith
8 Nov
SYD11:35Sydney Kingsford Smith
16h 40m
1 stop
PNH00:15Phnom Penh Pochentong
Philippine Airlines
1 Nov
PNH01:15Phnom Penh Pochentong
28h 30m
1 stop
SYD09:45Sydney Kingsford Smith
8 Nov
SYD11:35Sydney Kingsford Smith
16h 40m
1 stop
PNH00:15Phnom Penh Pochentong

See travel insights to Sydney from

How to get the cheapest flight ticket from Phnom Penh to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

The month of June is, on average, the cheapest month to fly to Sydney from Phnom Penh, with most prices found around $1,083. If you aren’t able to travel to Sydney during the month of June, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,111.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,287. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $1,578.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Phnom Penh to Sydney in the morning for as low as $1,261. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $1,747 on average. Flights to Sydney from Phnom Penh at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Phnom Penh when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,330 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Phnom Penh for as low as $1,054 on momondo.

How have Phnom Penh to Sydney flight prices changed over time?

As of June 2025, prices for Phnom Penh to Sydney flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Phnom Penh to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Phnom Penh to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Phnom Penh to Sydney (PNH to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phnom Penh to Sydney

Best price found

$348

Fastest flight time

11h 40m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Phnom Penh in the past 72 hours is $348. The best return flight deal from Phnom Penh to Sydney found on momondo in the last 72 hours is $675.
The fastest flight from Phnom Penh to Sydney takes 11h 40m
There are no direct flights from Phnom Penh to Sydney. Popular non-direct route for this connection is Phnom Penh Pochentong Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Phnom Penh Pochentong to Sydney Kingsford Smith by plane?

    Phnom Penh Pochentong and Sydney Kingsford Smith are 7026.6 km apart from one another. Flights usually cover this in 11h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phnom Penh Pochentong Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Phnom Penh to Sydney?


Best airlines flying from Phnom Penh to Sydney

Compare and see reviews for airlines that fly from Phnom Penh to Sydney with momondo
Airline
Rating
Free cancellation
Price
China SouthernPriceFrom $749Free cancellationRating
7.5
99 reviews
Search China Southern flights
Cathay PacificPriceFrom $1,029Free cancellationRating
7.6
904 reviews
Search Cathay Pacific flights
Vietnam AirlinesPriceFrom $1,122Free cancellationRating
7.5
196 reviews
Search Vietnam Airlines flights
Singapore AirlinesPriceFrom $1,295Free cancellationRating
8.1
1,315 reviews
Search Singapore Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Lithgow
Katoomba
Penrith
Leura
Manly
Coogee
Bondi Beach
Cronulla
Randwick
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Phnom Penh to Sydney?

Finding the right flight to Sydney from Phnom Penh is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

Can I find flights from Phnom Penh to Sydney with flexible booking policies on momondo?

All flight searches from Phnom Penh to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Phnom Penh to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Phnom Penh. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Phnom Penh to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Phnom Penh and alert you when they change.


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